279841 has 5 divisors (see below), whose sum is σ = 292561. Its totient is φ = 267674.

The previous prime is 279823. The next prime is 279847. The reversal of 279841 is 148972.

The square root of 279841 is 529.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

It is not a de Polignac number, because 279841 - 2⁹ = 279329 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (279847) by changing a digit.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 12156 + ... + 12178.

279841 is a Friedman number, since it can be written as (8*4-9)^(7-2-1), using all its digits and the basic arithmetic operations.

2²⁷⁹⁸⁴¹ is an apocalyptic number.

279841 is the 529-th square number.

279841 is the 265-th centered octagonal number.

It is an amenable number.

279841 is a deficient number, since it is larger than the sum of its proper divisors (12720).

279841 is an frugal number, since it uses more digits than its factorization.

279841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 23 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The cubic root of 279841 is about 65.4089405366.

The spelling of 279841 in words is "two hundred seventy-nine thousand, eight hundred forty-one".